The Parts Kit,earcup, cataloged under National Stock Number 8475-00-493-3669, is classified within Federal Supply Class 8475 (Specialized Flight Clothing and Accessories) of the Clothing, Individual Equipment, and Insignia group. The manufacturer of record is Gentex Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Parts Kit,earcup |
| FSC / FSG | 8475 — Specialized Flight Clothing and Accessories (FSG 84) |
| Manufacturers | Gentex Corp (CAGE 72724) |
| Parameter | Value |
|---|---|
| NSN | 8475-00-493-3669 |
| Primary Part Number | 70B2198-1 |
| Item Name | Parts Kit,earcup |
| FSC / FSG | 8475 / 84 — Specialized Flight Clothing and Accessories |
| Manufacturer | Gentex Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 70B2198-1 PRIMARY | Gentex Corp (USA) |
| Reference | Meaning |
|---|---|
| 32C1428-1S | 5/2 Secondary reference U.S. Government activity |
| 790-601 | 5/9 Secondary reference Avox Systems Inc Dba Avox Systems Inc |
| 32C1428 | 3/2 Design control — primary reference U.S. Government activity |
| 32C1428-1G | 5/2 Secondary reference U.S. Government activity |
| 790-604 | 5/9 Secondary reference Avox Systems Inc Dba Avox Systems Inc |
NSN 8475-00-493-3669 is a Parts Kit,earcup, manufactured by Gentex Corp, classified under FSC 8475, Specialized Flight Clothing and Accessories. Status: active.
NSN 8475-00-493-3669 has 1 manufacturer part number on file: 70B2198-1 (Gentex Corp).
3 possible matches (shared part number, not a government interchangeability claim): 7040-01-057-9937, 5998-01-088-0014, 7010-01-187-7799. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 8475-00-493-3669 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.